- lib/screens folder for screens files
- lib/widgest folder for widgets files
- lib/models folder for models files
- lib/services folder for firebase services
functions
- user able to register if he/she doesn't have an account
- user able to login if he/she have an account
- user able to see definition of word
- user able to select multiple choice answers
- admin able to log into application
- admin able to add new quiz to the system
- admin able to edit the quiz
- admin able to delete the quiz